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RETROFITTING HIGHWAY BRIDGES FOR SEISMIC FORCES

G D Mancarti

Abstract

The paper discusses the acceleration of California highway bridge retrofitting program for seismic forces. Several substructure retrofit techniques, including column encasement, footing enhancement, base isolation, and energy absorption are being used or investigated. The cost of retrofitting a bridge completely is a small percentage of the cost of the facility or the cost arising from a seismically induced failure.

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Available abstract

Key concepts: Retrofitting, Seismic retrofit, Bridge (graph theory), Substructure, Engineering, Seismic isolation, Acceleration, Civil engineering